Salah Ad-Din Al-Ayyubi (Saladin)

An e-book “Salah Ad-Din Al-Ayyubi (Saladin) – Hero of the battle of Hattin and Liberator of of Jerusalem from Crusaders (532 – 589 A.H./1137-1193 C.E)” by Abdullah Nasih Ulwan and translated by Khalifa Ezzat Abu Zeid can be dowloaded from here.